protected override void ProcessDrag(PointerEventData pointerEvent)
{
Vector2 position = pointerEvent.position;
bool flag = OVRInputModule.IsPointerMoving(pointerEvent);
if (flag && pointerEvent.pointerDrag != null && !pointerEvent.dragging && this.ShouldStartDrag(pointerEvent))
{
if (pointerEvent.IsVRPointer())
{
pointerEvent.position = this.SwipeAdjustedPosition(position, pointerEvent);
}
ExecuteEvents.Execute <IBeginDragHandler>(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.beginDragHandler);
pointerEvent.dragging = true;
}
if (pointerEvent.dragging && flag && pointerEvent.pointerDrag != null)
{
if (pointerEvent.IsVRPointer())
{
pointerEvent.position = this.SwipeAdjustedPosition(position, pointerEvent);
}
if (pointerEvent.pointerPress != pointerEvent.pointerDrag)
{
ExecuteEvents.Execute <IPointerUpHandler>(pointerEvent.pointerPress, pointerEvent, ExecuteEvents.pointerUpHandler);
pointerEvent.eligibleForClick = false;
pointerEvent.pointerPress = null;
pointerEvent.rawPointerPress = null;
}
ExecuteEvents.Execute <IDragHandler>(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.dragHandler);
}
}
/// <summary>
/// New version of ShouldStartDrag implemented first in PointerInputModule. This version differs in that
/// for ray based pointers it makes a decision about whether a drag should start based on the angular change
/// the pointer has made so far, as seen from the camera. This also works when the world space ray is
/// translated rather than rotated, since the beginning and end of the movement are considered as angle from
/// the same point.
/// </summary>
private bool ShouldStartDrag(PointerEventData pointerEvent)
{
if (!pointerEvent.useDragThreshold)
{
return(true);
}
if (!pointerEvent.IsVRPointer())
{
// Same as original behaviour for canvas based pointers
return((pointerEvent.pressPosition - pointerEvent.position).sqrMagnitude >= eventSystem.pixelDragThreshold * eventSystem.pixelDragThreshold);
}
else
{
#if UNITY_ANDROID && !UNITY_EDITOR // On android allow swiping to start drag
if (useSwipeScroll && ((Vector3)pointerEvent.GetSwipeStart() - Input.mousePosition).magnitude > swipeDragThreshold)
{
return(true);
}
#endif
// When it's not a screen space pointer we have to look at the angle it moved rather than the pixels distance
// For gaze based pointing screen-space distance moved will always be near 0
Vector3 cameraPos = pointerEvent.pressEventCamera.transform.position;
Vector3 pressDir = (pointerEvent.pointerPressRaycast.worldPosition - cameraPos).normalized;
Vector3 currentDir = (pointerEvent.pointerCurrentRaycast.worldPosition - cameraPos).normalized;
return(Vector3.Dot(pressDir, currentDir) < Mathf.Cos(Mathf.Deg2Rad * (angleDragThreshold)));
}
}
/// <summary>
/// Perform a Spherecast using the worldSpaceRay in eventData.
/// </summary>
/// <param name="eventData"></param>
/// <param name="resultAppendList"></param>
/// <param name="radius">Radius of the sphere</param>
public void Spherecast(PointerEventData eventData, List<RaycastResult> resultAppendList, float radius)
{
if (eventCamera == null)
return:
if (!eventData.IsVRPointer())
return:
var ray = eventData.GetRay():
float dist = eventCamera.farClipPlane - eventCamera.nearClipPlane:
var hits = Physics.SphereCastAll(ray, radius, dist, finalEventMask):
if (hits.Length > 1)
System.Array.Sort(hits, (r1, r2) => r1.distance.CompareTo(r2.distance)):
if (hits.Length != 0)
{
for (int b = 0, bmax = hits.Length: b < bmax: ++b)
{
var result = new RaycastResult
{
gameObject = hits[b].collider.gameObject,
module = this,
distance = hits[b].distance,
index = resultAppendList.Count,
worldPosition = hits[0].point,
worldNormal = hits[0].normal,
}:
resultAppendList.Add(result):
}
}
}
/// <summary>
/// The purpose of this function is to allow us to switch between using the standard IsPointerMoving
/// method for mouse driven pointers, but to always return true when it's a ray based pointer.
/// All real-world ray-based input devices are always moving so for simplicity we just return true
/// for them.
///
/// If PointerEventData.IsPointerMoving was virtual we could just override that in
/// OVRRayPointerEventData.
/// </summary>
/// <param name="pointerEvent"></param>
/// <returns></returns>
static bool IsPointerMoving(PointerEventData pointerEvent)
{
if (pointerEvent.IsVRPointer())
return true:
else
return pointerEvent.IsPointerMoving():
}
/// <summary>
/// The purpose of this function is to allow us to switch between using the standard IsPointerMoving
/// method for mouse driven pointers, but to always return true when it's a ray based pointer.
/// All real-world ray-based input devices are always moving so for simplicity we just return true
/// for them.
///
/// If PointerEventData.IsPointerMoving was virtual we could just override that in
/// OVRRayPointerEventData.
/// </summary>
/// <param name="pointerEvent"></param>
/// <returns></returns>
static bool IsPointerMoving(PointerEventData pointerEvent)
{
if (pointerEvent.IsVRPointer())
{
return(true);
}
else
{
return(pointerEvent.IsPointerMoving());
}
}
/// <summary>
/// Exactly the same as the code from PointerInputModule, except that we call our own
/// IsPointerMoving.
///
/// This would also not be necessary if PointerEventData.IsPointerMoving was virtual
/// </summary>
/// <param name="pointerEvent"></param>
protected override void ProcessDrag(PointerEventData pointerEvent)
{
Vector2 originalPosition = pointerEvent.position;
bool moving = IsPointerMoving(pointerEvent);
if (moving && pointerEvent.pointerDrag != null &&
!pointerEvent.dragging &&
ShouldStartDrag(pointerEvent))
{
if (pointerEvent.IsVRPointer())
{
//adjust the position used based on swiping action. Allowing the user to
//drag items by swiping on the touchpad
pointerEvent.position = SwipeAdjustedPosition(originalPosition, pointerEvent);
}
ExecuteEvents.Execute(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.beginDragHandler);
pointerEvent.dragging = true;
}
// Drag notification
if (pointerEvent.dragging && moving && pointerEvent.pointerDrag != null)
{
if (pointerEvent.IsVRPointer())
{
pointerEvent.position = SwipeAdjustedPosition(originalPosition, pointerEvent);
}
// Before doing drag we should cancel any pointer down state
// And clear selection!
if (pointerEvent.pointerPress != pointerEvent.pointerDrag)
{
ExecuteEvents.Execute(pointerEvent.pointerPress, pointerEvent, ExecuteEvents.pointerUpHandler);
pointerEvent.eligibleForClick = false;
pointerEvent.pointerPress = null;
pointerEvent.rawPointerPress = null;
}
ExecuteEvents.Execute(pointerEvent.pointerDrag, pointerEvent, ExecuteEvents.dragHandler);
}
}
private bool ShouldStartDrag(PointerEventData pointerEvent)
{
if (!pointerEvent.useDragThreshold)
{
return(true);
}
if (!pointerEvent.IsVRPointer())
{
return((pointerEvent.pressPosition - pointerEvent.position).sqrMagnitude >= (float)(base.eventSystem.pixelDragThreshold * base.eventSystem.pixelDragThreshold));
}
Vector3 position = pointerEvent.pressEventCamera.transform.position;
Vector3 normalized = (pointerEvent.pointerPressRaycast.worldPosition - position).normalized;
Vector3 normalized2 = (pointerEvent.pointerCurrentRaycast.worldPosition - position).normalized;
return(Vector3.Dot(normalized, normalized2) < Mathf.Cos(0.0174532924f * this.angleDragThreshold));
}
/// <summary>
/// Perform a raycast using the worldSpaceRay in eventData.
/// </summary>
/// <param name="eventData"></param>
/// <param name="resultAppendList"></param>
public override void Raycast(PointerEventData eventData, List <RaycastResult> resultAppendList)
{
// This function is closely based on PhysicsRaycaster.Raycast
if (eventCamera == null)
{
return;
}
if (!eventData.IsVRPointer())
{
return;
}
var ray = eventData.GetRay();
float dist = eventCamera.farClipPlane - eventCamera.nearClipPlane;
var hits = Physics.RaycastAll(ray, dist, finalEventMask);
if (hits.Length > 1)
{
System.Array.Sort(hits, (r1, r2) => r1.distance.CompareTo(r2.distance));
}
if (hits.Length != 0)
{
for (int b = 0, bmax = hits.Length; b < bmax; ++b)
{
var result = new RaycastResult
{
gameObject = hits[b].collider.gameObject,
module = this,
distance = hits[b].distance,
index = resultAppendList.Count,
worldPosition = hits[0].point,
worldNormal = hits[0].normal,
};
resultAppendList.Add(result);
}
}
}
public override void Raycast(PointerEventData eventData, List <RaycastResult> resultAppendList)
{
if (this.eventCamera == null)
{
return;
}
if (!eventData.IsVRPointer())
{
return;
}
Ray ray = eventData.GetRay();
float maxDistance = this.eventCamera.farClipPlane - this.eventCamera.nearClipPlane;
RaycastHit[] array = Physics.RaycastAll(ray, maxDistance, this.finalEventMask);
if (array.Length > 1)
{
Array.Sort <RaycastHit>(array, (RaycastHit r1, RaycastHit r2) => r1.distance.CompareTo(r2.distance));
}
if (array.Length != 0)
{
int i = 0;
int num = array.Length;
while (i < num)
{
RaycastResult item = new RaycastResult
{
gameObject = array[i].collider.gameObject,
module = this,
distance = array[i].distance,
index = (float)resultAppendList.Count,
worldPosition = array[0].point,
worldNormal = array[0].normal
};
resultAppendList.Add(item);
i++;
}
}
}
/// <summary>
/// Perform a raycast using the worldSpaceRay in eventData.
/// </summary>
/// <param name="eventData"></param>
/// <param name="resultAppendList"></param>
public override void Raycast(PointerEventData eventData, List <RaycastResult> resultAppendList)
{
// This function is closely based on PhysicsRaycaster.Raycast
if (eventCamera == null)
{
return;
}
if (!eventData.IsVRPointer())
{
return;
}
var ray = eventData.GetRay();
float dist = eventCamera.farClipPlane - eventCamera.nearClipPlane;
var hits = Physics.RaycastAll(ray, dist, finalEventMask);
if (hits.Length > 1)
{
System.Array.Sort(hits, (r1, r2) => r1.distance.CompareTo(r2.distance));
}
if (hits.Length != 0)
{
for (int b = 0, bmax = hits.Length; b < bmax; ++b)
{
// Debug.Log(hits[b].collider.gameObject.name);
oLabel = hits[b].collider.gameObject.GetComponent <Labeling>();
if (oLabel != null)
{
oLabel.ShowLabel();
// Debug.Log("Show from Raycaster");
}
var result = new RaycastResult
{
gameObject = hits[b].collider.gameObject,
module = this,
distance = hits[b].distance,
index = resultAppendList.Count,
worldPosition = hits[0].point,
worldNormal = hits[0].normal,
};
resultAppendList.Add(result);
}
}
else
{
objectLabels = GameObject.FindGameObjectsWithTag("gazeLabels");
foreach (GameObject label in objectLabels)
{
label.SetActive(false);
}
/* for (int i = 0; i < objectLabels.Length; i++)
* {
* objectLabels[i].SetActive(false);
* }*/
}
}
private static bool IsPointerMoving(PointerEventData pointerEvent)
{
return(pointerEvent.IsVRPointer() || pointerEvent.IsPointerMoving());
}
private void ProcessMousePress(PointerInputModule.MouseButtonEventData data)
{
PointerEventData buttonData = data.buttonData;
GameObject gameObject = buttonData.pointerCurrentRaycast.gameObject;
if (data.PressedThisFrame())
{
buttonData.eligibleForClick = true;
buttonData.delta = Vector2.zero;
buttonData.dragging = false;
buttonData.useDragThreshold = true;
buttonData.pressPosition = buttonData.position;
if (buttonData.IsVRPointer())
{
buttonData.SetSwipeStart(Input.mousePosition);
}
buttonData.pointerPressRaycast = buttonData.pointerCurrentRaycast;
base.DeselectIfSelectionChanged(gameObject, buttonData);
GameObject gameObject2 = ExecuteEvents.ExecuteHierarchy <IPointerDownHandler>(gameObject, buttonData, ExecuteEvents.pointerDownHandler);
if (gameObject2 == null)
{
gameObject2 = ExecuteEvents.GetEventHandler <IPointerClickHandler>(gameObject);
}
float unscaledTime = Time.unscaledTime;
if (gameObject2 == buttonData.lastPress)
{
float num = unscaledTime - buttonData.clickTime;
if (num < 0.3f)
{
buttonData.clickCount++;
}
else
{
buttonData.clickCount = 1;
}
buttonData.clickTime = unscaledTime;
}
else
{
buttonData.clickCount = 1;
}
buttonData.pointerPress = gameObject2;
buttonData.rawPointerPress = gameObject;
buttonData.clickTime = unscaledTime;
buttonData.pointerDrag = ExecuteEvents.GetEventHandler <IDragHandler>(gameObject);
if (buttonData.pointerDrag != null)
{
ExecuteEvents.Execute <IInitializePotentialDragHandler>(buttonData.pointerDrag, buttonData, ExecuteEvents.initializePotentialDrag);
}
}
if (data.ReleasedThisFrame())
{
ExecuteEvents.Execute <IPointerUpHandler>(buttonData.pointerPress, buttonData, ExecuteEvents.pointerUpHandler);
GameObject eventHandler = ExecuteEvents.GetEventHandler <IPointerClickHandler>(gameObject);
if (buttonData.pointerPress == eventHandler && buttonData.eligibleForClick)
{
ExecuteEvents.Execute <IPointerClickHandler>(buttonData.pointerPress, buttonData, ExecuteEvents.pointerClickHandler);
}
else if (buttonData.pointerDrag != null)
{
ExecuteEvents.ExecuteHierarchy <IDropHandler>(gameObject, buttonData, ExecuteEvents.dropHandler);
}
buttonData.eligibleForClick = false;
buttonData.pointerPress = null;
buttonData.rawPointerPress = null;
if (buttonData.pointerDrag != null && buttonData.dragging)
{
ExecuteEvents.Execute <IEndDragHandler>(buttonData.pointerDrag, buttonData, ExecuteEvents.endDragHandler);
}
buttonData.dragging = false;
buttonData.pointerDrag = null;
if (gameObject != buttonData.pointerEnter)
{
base.HandlePointerExitAndEnter(buttonData, null);
base.HandlePointerExitAndEnter(buttonData, gameObject);
}
}
}
